Les évaluations des bilans en éléments nutritifs aident à déterminer les effets des pratiques agricoles sur la fertilité des sols. Selon les situations, plusieurs approches et méthodes ont été utilisées. Ce bulletin présente un apercu de la situation actuelle des études des bilans en elements nutritifs. Il fait apparaître l'évolution des différentes approches et méthodes, les compare et souligne les améliorations effectuées ainsi que les questions qui restent à résoudre.
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Showing items 1 through 9 of 7.-
Library ResourceJournal Articles & BooksDecember, 2005Angola, Burkina Faso, Bangladesh, Nigeria, Rwanda, Mali, Burundi, Zimbabwe, Eswatini, Ghana, Congo, Sierra Leone, Malawi, Niger, Mozambique, Liberia, Lesotho, Madagascar, Togo, Botswana, Gabon, Kenya
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Library ResourceJournal Articles & BooksDecember, 2002Angola, Qatar, Honduras, Mozambique, Zambia, Iraq, Argentina, Burundi, Zimbabwe, China, Namibia, Congo, Malawi, Sri Lanka, Eritrea, Kenya, Lesotho, Uganda, Somalia, Colombia, Nicaragua, Armenia, Mongolia
El estado mundial de la agricultura y la alimentación 2002 es el informe anual de la FAO sobre los acontecimientos y cuestiones actuales relacionados con la agricultura mundial. Se realiza en él un seguimiento de la situación de la agricultura mundial, así como de su entorno económico general, y este año se incluye un examen general del estado de las negociaciones sobre el comercio agrícola, después de la iniciación de una nueva ronda de negociaciones comerciales multilaterales de la Organización Mundial del Comercio.
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Library ResourceJournal Articles & BooksDecember, 2002Angola, France, Bangladesh, Honduras, Mozambique, Iraq, El Salvador, Afghanistan, Burundi, Zimbabwe, Guatemala, Eswatini, Canada, Congo, Ukraine, Malawi, Pakistan, Kenya, Lesotho, Botswana, Nicaragua, Ghana
La situation mondiale de l’alimentation et de l’agriculture 2002 est le rapport annuel de la FAO sur les nouvelles tendances et les problèmes courants de l’agriculture mondiale. Il examine la situation agricole dans le monde et l’environnement économique global dans lequel s’inscrit aujourd’hui l’agriculture mondiale, _ et propose cette année un tour d’horizon du déroulement des négociations _ sur le commerce international des produits agricoles à la suite du lancement d’un nouveau cycle de négociations commerciales multilatérales de l’Organisation mondiale du commerce.
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Library ResourceJournal Articles & BooksDecember, 2003Angola, Burkina Faso, Mozambique, Ghana, Mali, Burundi, Zimbabwe, Eswatini, Canada, Congo, Djibouti, Sierra Leone, Malawi, Niger, Rwanda, Lesotho, Madagascar, Togo, Botswana, Gabon, Kenya, Africa
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Library ResourceJournal Articles & BooksDecember, 2010Angola, Burkina Faso, Bangladesh, Honduras, Belgium, Zambia, Zimbabwe, Namibia, Indonesia, Malawi, Mozambique, Botswana, Liberia, Philippines, Madagascar, Tanzania, Portugal, Ecuador, Netherlands, Sudan, Africa, Americas, Asia
The impacts of natural disasters such as hurricanes, floods, earthquakes and tsunamis have been increasing steadily since the 1950’s, particularly for developing countries. According to a World Bank external evaluation report “natural disasters destroyed US$652 billion in property worldwide in the 1990s alone – an amount 15 times higher in real terms compared to the 1950s. Approximately 2.6 billion people were affected by natural disasters over the past ten years, compared to 1.6 billion in the previous decade.
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Library ResourceReports & ResearchDecember, 2001Mozambique, Kenya, Zambia, Uganda, Mali, Zimbabwe, Eritrea, Tanzania, South Africa, Ghana, Malawi, Mexico, Brazil, Africa, Americas
In November 2000, the World Bank (WB) and the Brazilian Federation for Direct Planting into Crop Residue (FEBRAPDP) organized the third Study Tour on “Producer-Led Rural Organizations for Sustainable Land Management” (PRO-SLM), with particular emphasis on notillage systems (NT).1 The Study Tour followed a 10-day itinerary of over 1,000 km through Southern Brazil, covering Paraná and Santa Catarina States, two states which received WB support through land and micro-watershed management projects.</p> This Paper presents the salient features of NT development in Southern Brazil and discu
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Library Resource
المعاهدة الافريقية للمحافظة على الطبيعة والموارد الطبيعية.
International Conventions or TreatiesAlgeria, Angola, Egypt, Equatorial Guinea, Benin, Nigeria, Mauritius, Mauritania, Zimbabwe, Namibia, Guinea-Bissau, Eswatini, Ghana, Congo, Guinea, Ethiopia, Comoros, Eritrea, Cape Verde, Democratic Republic of the Congo, Liberia, Libya, Lesotho, Uganda, Somalia, Madagascar, Central African Republic, Tanzania, Botswana, Senegal, Chad, Gabon, Burkina Faso, Malawi, Mozambique, Zambia, Gambia, Mali, Burundi, Sao Tome and Principe, Djibouti, Sierra Leone, Seychelles, Rwanda, Morocco, Niger, South Africa, Togo, Tunisia, Côte d'Ivoire, Sudan, Cameroon, Kenya, Middle Africa, Western Africa, Eastern Africa, Southern Africa, Northern Africa, Western Asia, AfricaThe Contracting States, in the belief that objectives set out in the Preamble would be better achieved by amending the 1968 Algiers Convention on the Conservation of Nature and Natural Resources by expanding elements related to sustainable development, have agreed on measures to enhance environmental protection, to foster the conservation and sustainable use of natural resources; and to harmonize and coordinate policies in these fields with a view to achieving ecologically rational, economically sound and socially acceptable development policies and programs for the Convention area.
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